User manual SAUNIER DUVAL THEMA F 23 E

[. . . ] Heating and hot water for the professionals Installation and Servicing Instructions THEMA F THIS IS A CAT II2H3+ APPLIANCE IN WARRANTY TECHNICAL HELPLINE 01773 828400 01773 828100 1 INSTALLATION AND SERVICING INSTRUCTIONS THEMA F 23 E - THEMA F SB 18 E - THEMA F SB 23 E Note!The boiler serial number is marked on the label attached to the inside of the boiler. Refer to the 'Introduction' section page 3 for a description of the basic functions of the boiler. To safely operate the boiler, refer to the Users Instructions. INSTALLATION SECTION Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · Connect a suitable pressure gauge as described in 'Commissioning'. Maximum setting · Remove one electrical connector from the modulating gas valve coil. · Turn the domestic hot water temperature adjuster to maximum setting. Using a 2 mm Ø rod, press in the spindle in the middle of screw M, see diagram 25. · Turn nut 'B' to obtain the desired pressure, see technical data. · Hold not B to prevent from turning, turn nut 'A' to obtain the desired pressure, see technical data. After adjustment, refit the cover to the gas valve adjuster and refit electrical connector. This must be adjusted according to the requirements of the system, refer to the flow rate pressure curve (diagram 3). When using thermostatic radiator valves (TRV's), it is recommended that an additional, adjustable bypass of 15 mm minimum diameter is fitted between the flow and return of the heating circuit, see diagram 6. PCB Settings The PCB on the Thema F 23 E can be set to operate in different ways to suit individual installations. The dip switch SW1, see diagram 27, should be set as follows: 1 - OFF 2 - ON 3 - OFF 4 - OFF 5 - OFF 6 - OFF Diagram. 26 SW1 ON DIP 123456 CHANGING GAS TYPE Should it become necessary to change the gas type, a modification kit will be required. This modification must only be carried out by a suitably qualified engineer. 86161 17 Reg 013 ROUTINE CLEANING AND INSPECTION To ensure the continued efficient and safe operation of the boiler it is recommended that it is checked and serviced at regular intervals. The frequency of servicing will depend upon the particular installation conditions and usage, but in general once a year should be enough. It is the law that any servicing is carried out by a competent person. · Operate boiler and check for any faults that need to be put right. · On completion check all gas carrying parts for soundness with leak detection fluid. · The maximum domestic hot water flow rate is 12 litres/minute. · Remove boiler casing as follows: Upper front panel · Hinge down control cover to gain access to control panel. · Disengage the two 'quarter turn' fasteners by turning the heads of the screws a quarter of a turn towards the centre of the boiler. · Carefully lower the panel down on its hinge until it is horizontal. [. . . ] Note: make sure that injector size, marked on each injector, is the same as that given in 'Technical Data'. · Reassemble burner and replace into boiler in reverse order to removal. To replace timeclock · Gain access to rear of lower control panel as described in 'Routine Cleaning and Inspection'. · Unscrew and remove two screws holding timeclock to lower control panel. [. . . ]